CN111933045B - Face mask and manufacturing method thereof - Google Patents
Face mask and manufacturing method thereof Download PDFInfo
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- CN111933045B CN111933045B CN202010763337.3A CN202010763337A CN111933045B CN 111933045 B CN111933045 B CN 111933045B CN 202010763337 A CN202010763337 A CN 202010763337A CN 111933045 B CN111933045 B CN 111933045B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Abstract
The mask comprises a main body and a first film layer, wherein the main body is made of resin, and the limited oxygen index of the resin is greater than 22%; the first film layer covers the surface of the main body, and the material of the first film layer comprises a high-thermal-conductivity metal. The surface of the mask main body is covered with the first film layer, the material of the first film layer comprises high-heat-conductivity metal which has good flame retardant property, so that the fireproof flame retardant property of the mask is improved, and the high-heat-conductivity metal has good heat conductive property, so that the heat on the surface of the mask can be led out in time, the damage is avoided, and further, the fireproof flame retardant property is improved; meanwhile, the main body is made of resin, the limit oxygen index of the resin is larger than 22%, and the resin has good fireproof performance, so that the main body also has good fireproof and flame-retardant performances, and further, the fireproof and flame-retardant performances of the mask are improved.
Description
Technical Field
The application belongs to the technical field of LED display screens, and particularly relates to a mask and a manufacturing method thereof.
Background
Conventional masks for LED displays are typically composed of polycarbonate, fiberglass, and a black coating. The polycarbonate and the glass fiber are the main structure of the mask, and the black coating on the surface of the mask is used for absorbing ambient light, so that the contrast of the display screen is improved. Because the polycarbonate and the black coating both belong to organic polymer materials and are inflammable, the mask is a key factor for restricting the flame retardant property of the LED display screen. Among them, patent document No. CN206194313U discloses a metal face mask, which improves the contrast of the LED display screen by coating a black coating on the surface of the metal face mask, and the flame retardant property of the LED display screen can be significantly improved by replacing the plastic face mask with the metal face mask. However, the metal mask has high cost and heavy weight, is not easy to be fixed on the surface of the LED display screen, and has higher process difficulty.
Disclosure of Invention
The application aims to provide a mask and a manufacturing method thereof, and aims to solve the technical problem that the mask in the prior art is poor in fireproof performance.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: a mask comprises a main body and a first film layer, wherein the main body is made of resin, and the limited oxygen index of the resin is more than 22%; the first film layer covers the surface of the main body, and the material of the first film layer comprises a high-heat-conductivity metal.
Optionally, the surface of the first film layer facing away from the main body is an uneven surface.
Optionally, the mask further comprises a second film layer covering the surface of the first film layer facing away from the main body.
Optionally, the second film layer is a film layer containing a colorant, or the second film layer is a film layer containing a metal oxide.
Optionally, the material of the first film layer is selected from one or more of iron, tin, aluminum, lead, copper, zinc, nickel, iron alloy, tin alloy, aluminum alloy, lead alloy, copper alloy, zinc alloy and nickel alloy.
One or more technical solutions in the mask provided by the present application have at least one of the following technical effects: the surface of the main body of the mask is covered with the first film layer, and the material of the first film layer comprises metal with high heat conductivity, and the metal with high heat conductivity has good flame retardant property, so that the fireproof flame retardant property of the mask is improved; meanwhile, the main body is made of resin, the limit oxygen index of the resin is greater than 22%, and the resin has good fireproof performance, so that the main body also has good fireproof and flame-retardant performances, and further, the fireproof and flame-retardant performances of the mask are improved; in addition, compared with the existing metal mask, the mask has the advantages of light overall mass and low cost, and the main body made of resin is fixed on the LED display screen, so that the mask is simple to operate and small in process difficulty.
Another technical scheme adopted by the application is as follows: a method of making a mask comprising the steps of:
s10: providing a high thermal conductivity metal powder and a body comprising a resin, the resin having a limiting oxygen index of greater than 22%;
s20: plating high-thermal-conductivity metal powder on the surface of the main body to form a first film layer.
Optionally, between step S10 and step S20, further comprising:
s11: the surface of the main body is roughened to obtain a rough surface, and the first film layer is plated on the rough surface.
After step S20, the method further includes:
s21: the surface of the first film layer, which faces away from the main body, is roughened to obtain a rugged surface.
Optionally, after step S20, the method further includes:
s221: the surface of the first film layer opposite to the main body is covered with a film layer containing pigment.
Optionally, after step S20, the method further includes:
s222: the surface of the first film layer, which faces away from the main body, is subjected to oxidation treatment to obtain a film layer containing metal oxide.
According to the mask manufacturing method, when the mask manufacturing method is used, the high-heat-conductivity metal powder is plated on the surface of the main body to form the first film layer with the flame retardant property, so that the fireproof property of the mask is greatly improved, the mask has good flame retardant property, the high-heat-conductivity metal also has good heat conduction property, heat on the surface of the mask can be led out in time, damage is avoided, and the fireproof flame retardant property is further improved; meanwhile, the main body is made of resin, the limit oxygen index of the resin is greater than 22%, and the resin has good fireproof performance, so that the main body also has good fireproof and flame-retardant performances, and further, the fireproof and flame-retardant performances of the mask are improved; in addition, compared with the existing metal mask, the mask has the advantages of light overall mass and low cost, and the main body made of resin is fixed on the LED display screen, so that the mask is simple to operate and low in process difficulty.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the embodiments or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings may be obtained according to these drawings without inventive labor.
Fig. 1 is a front view of a mask provided in accordance with an embodiment of the present application.
Fig. 2 is a top view of the mask shown in fig. 1.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a front view of a mask provided in accordance with example two of the present application.
Fig. 5 is a partially enlarged view of B in fig. 4.
Fig. 6 is a schematic structural diagram of an LED display screen to which the mask provided in the first embodiment of the present application is applied.
Fig. 7 is a partial enlarged view at C in fig. 6.
Fig. 8 is a flowchart of a mask manufacturing method according to a fourth embodiment of the present application.
Fig. 9 is a flowchart of a mask manufacturing method according to a fifth embodiment of the present disclosure.
Fig. 10 is a flowchart of a mask manufacturing method according to a sixth embodiment of the present application.
Wherein, in the figures, the respective reference numerals:
10-face mask 11-body 12-first film layer
13-second film layer 20-LED display screen 21-LED display module
22-box 111-receptacle 112-projection
211-LED lamp bead.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1 to 10 are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1 to 7, in a first embodiment of the present application, a face mask 10 is provided to be used with an LED display module 21 of an LED display screen 20, wherein, specifically, as shown in fig. 6 and 7, the LED display screen 20 generally includes a box body 22, the LED display module 21 and the face mask 10, the LED display module 21 is mounted on the box body 22, and the face mask 10 covers a display surface of the LED display module 21.
Further, as shown in fig. 2 and 3, the mask 10 comprises a main body 11 and a first film layer 12, wherein the material of the main body 11 comprises resin, and the limit oxygen index of the resin is more than 22%; the larger the limit oxygen index of the resin is, the better the fireproof performance of the resin is, so that the fireproof and flame-retardant performance of the mask 10 is greatly improved, and preferably, the limit oxygen index of the resin is more than 27%; furthermore, at least one accommodating part 111 is arranged on the main body 11, and the accommodating part 111 is used for accommodating LED beads 211 on the LED display module 21 so that the main body 11 covers the LED display module 21; as shown in fig. 7, the accommodating portion 111 may be a through hole, and when the mask 10 is mounted on the LED display module 21, the LED beads 211 are located in the through hole in a one-to-one correspondence.
Furthermore, the first film layer 12 covers the surface of the main body 11, the material of the first film layer 12 includes a metal with high thermal conductivity, wherein the first film layer 12 is formed by plating the metal with high thermal conductivity on the surface of the main body 11, and since the metal with high thermal conductivity has good thermal conductivity, the heat on the surface of the mask 10 can be led out in time, so that damage is avoided, and the fireproof and flame-retardant performance is improved; further, the first film layer 12 may cover all surfaces of the main body 11, or may cover only a surface of the main body 11 facing away from the LED display module 21.
Specifically, the surface of the main body 11 of the face mask 10 of the embodiment of the present application is covered with the first film layer 12, and since the material of the first film layer 12 includes a metal with high thermal conductivity, and the metal with high thermal conductivity has good flame retardant property, the fireproof flame retardant property of the face mask 10 is improved, and the metal with high thermal conductivity also has good thermal conductivity, it can lead out the heat on the surface of the face mask 10 in time, avoid damage, and further, improve the fireproof flame retardant property; meanwhile, the main body 11 is made of resin, the limit oxygen index of the resin is greater than 22%, and the resin has good fireproof performance, so that the main body 11 also has good fireproof and flame-retardant performances, and further, the fireproof and flame-retardant performances of the mask 10 are improved; in addition, compared with the existing metal mask, the mask 10 has the advantages of light overall weight and low cost, and the main body 11 made of resin is fixed on the LED display screen 20, so that the operation is simple and the process difficulty is low.
Further, the main components of the main body 11 include 50% to 90% of resin and 10% to 50% of glass fiber. It should be noted that, in the description of the embodiments of the present application, the percentages of the material components refer to mass percentages; the main body 11 is made of resin and glass fiber, so that the quality and the cost of the mask 10 can be effectively reduced, and the main body 11 made of plastic is easily fixed on the surface of the LED display screen 20, so that the installation difficulty of the mask 10 is reduced; further, the resin may be one or a combination of polycarbonate, polyamide, phenolic resin, polyphenylene oxide, polysulfone, polyimide, polyphenylene sulfide, polyvinyl chloride, polybenzimidazole and polytetrafluoroethylene.
Preferably, the resin is selected from resins having self-extinguishing properties, such as: polytetrafluoroethylene, polybenzimidazole, polyvinyl chloride, polyphenylene sulfide, polyimide, etc., and the content of the resin having self-extinguishing property exceeds 50% by mass or more of the total.
Further, a flame retardant may be added to the resin. The flame retardant may increase the fire-retardant properties of the resin and, further, improve the fire-retardant properties of the face mask 10. The flame retardant may be tribasic phosphate, DOPO (DOPO is English abbreviation of 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, wherein the name is 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide) and derivatives thereof, organic flame retardants containing phosphorus, nitrogen and silicon, such as melamine and salts thereof, urea, iminourea and organosilicon, or inorganic flame retardants, such as boron nitride, aluminum nitride, silica, titanium dioxide, magnesium hydroxide, aluminum hydroxide, zinc borate and talc. Preferred are phosphorus containing flame retardants or boron nitride and aluminum nitride which are more thermally conductive.
Optionally, the mask 10 may be mounted on the surface of the LED display module 21 by gluing, potting, fastening, screwing or magnetic attraction, preferably without the fastening of the gluing, screwing or magnetic attraction, so as to obtain better flame retardancy.
In this embodiment, the main body 11 of the mask 10 is provided with a first side and a second side opposite to each other, the accommodating portion 111 is provided on the first side, and the first film layer 12 is coated on the second side.
Specifically, when the face mask 10 is used, the first side face is tightly attached to the LED display module 21, the second side face is exposed, the first film layer 12 is arranged on the second side face, the first film layer 12 prevents fire from spreading towards the LED display module 21, and further, the fireproof performance of the face mask 10 is improved, and the LED display module 21 can be effectively protected.
In this embodiment, as shown in fig. 6 and 7, the mask 10 is provided with a plurality of receiving portions 111, and the receiving portions 111 are distributed in a matrix on the first side surface.
Specifically, the LED beads 211 on the LED display module 21 are distributed in a matrix, so that the LED beads 211 are correspondingly received in the receiving portions 111.
In this embodiment, as shown in fig. 6 and 7, a protrusion 112 is provided on the second side of the mask 10 at a position corresponding to the position between two adjacent columns of receiving portions 111.
Specifically, the protrusion 112 between two adjacent columns of accommodating portions 111 can further block the optical crosstalk between two adjacent columns of LED beads 211, so as to improve the display effect and achieve good contrast.
In this embodiment, the first film layer 12 of the face mask 10 is made of one or more materials selected from iron, tin, aluminum, lead, copper, zinc, nickel, iron alloy, tin alloy, aluminum alloy, lead alloy, copper alloy, zinc alloy, and nickel alloy.
Specifically, the material of the first film layer 12 is selected from one or more of iron, tin, aluminum, lead, copper, zinc, nickel, iron alloy, tin alloy, aluminum alloy, lead alloy, copper alloy, zinc alloy, and nickel alloy, and the first film layer 12 has good flame retardant property and fire retardant property by utilizing the non-flammable property of iron, tin, aluminum, lead, copper, zinc, nickel, iron alloy, tin alloy, aluminum alloy, lead alloy, copper alloy, zinc alloy, and nickel alloy.
In this embodiment, as shown in fig. 2 and 3, the surface of the first film layer 12 of the mask 10 facing away from the main body 11 is provided as an uneven surface.
Specifically, the surface of the first film layer 12, which faces away from the main body 11, is roughened to obtain a rough and uneven surface, and then light is irradiated on the rough and uneven surface to be reflected back and forth, so that an anti-dazzling effect is achieved, and the display effect of the LED display screen 20 is improved.
Alternatively, the undulating surface may be a surface with regularly arranged irregularities or a surface with randomly distributed irregularities, and the specific distribution may be selected according to actual needs.
In this embodiment, the surface of the main body 11 of the mask 10 is provided with a rough surface (not shown), and the first film layer 12 covers the rough surface.
Specifically, the rough surface with unevenness is arranged on the main body 11, and the first film layer 12 covers the rough surface, which is equivalent to increase the connection area between the first film layer 12 and the main body 11, so that the connection between the first film layer 12 and the main body 11 is tighter, and the service life of the mask 10 is greatly prolonged.
In this embodiment, as shown in fig. 4 and 5, the face mask 10 is further provided with a second film layer 13, wherein the second film layer 13 covers the surface of the first film layer 12 facing away from the main body 11.
Specifically, the surface of the first film layer 12 is coated with the second film layer 13, and the second film layer 13 may function to protect the first film layer 12.
In the second embodiment of the present application, as shown in fig. 4 and 5, it is different from the first embodiment in that: the second film layer 13 of the face mask 10 is a film layer containing a colorant.
Specifically, the colorant causes the second film layer 13 to exhibit a certain color, which, on the one hand, may improve the aesthetic appearance of the face mask 10; on the other hand, the colorant of the corresponding color can be selected according to the optical performance of the LED display module 21 to improve the contrast of the LED display module 21; furthermore, the darker the color of the colorant, so that the darker the color of the mask 10, the less the ambient light is reflected, and the higher the contrast of the LED display module 21.
Further, as shown in fig. 4 and 5, the second film layer 13 is coated on the uneven surface, which is equivalent to increasing the connection area between the first film layer 12 and the second film layer 13, so that the connection between the first film layer 12 and the second film layer 13 is tighter, and the service life of the face mask 10 is greatly prolonged.
Preferably, the pigment is a black pigment, so that the mask 10 is black, and since black has good light absorption performance, reflection of ambient light is low, contrast of the LED display module 21 can be improved, and glare on the surface of the mask 10 can be prevented.
Optionally, the second film layer 13 includes 20% to 30% of resin, 5% to 10% of black pigment, 20% to 30% of flame retardant, 10% to 15% of inorganic filler, and 1% to 5% of film forming aid.
In the third embodiment of the present application, as shown in fig. 4 and 5, it is different from the second embodiment in that: the second film layer 13 of the face mask 10 is a metal oxide containing film layer.
Specifically, the surface of the first film 12 is covered with a film containing metal oxide, and the film containing metal oxide can improve the corrosion resistance and the electrical insulation property of the mask 10, and on the other hand, the gloss of the surface of the first film 12 can be reduced, the reflection of light can be reduced, and the display effect of the LED display module 21 can be improved.
In a fourth embodiment of the present application, as shown in fig. 8, there is provided a method of making a mask 10 comprising the steps of:
s10: providing a high thermal conductivity metal powder and a body 11 comprising a resin having a limiting oxygen index greater than 22%; specifically, the main body 11 is prepared by uniformly mixing epoxy resin and glass fiber and then injecting the mixture into a preset mold for curing and molding, and the main body 11 is prepared by adopting the epoxy resin and the glass fiber, so that the weight of the face mask 10 is reduced and the cost of the face mask 10 is reduced while the face mask 10 is ensured to obtain excellent flame retardant performance;
s20: a high thermal conductivity metal powder is plated on the surface of the body 11 to form the first film layer 12.
Specifically, in the manufacturing method of the face mask 10 according to the embodiment of the present application, when in use, the metal powder with high thermal conductivity is plated on the surface of the main body 11 to form the first film layer 12 with flame retardant property, so that the fireproof property of the face mask 10 is greatly improved, and the face mask 10 has good flame retardant property. In addition, the metal with high thermal conductivity also has good heat conducting property, so that the heat on the surface of the face mask 10 can be led out in time, the damage is avoided, and the fireproof and flame-retardant properties are further improved; meanwhile, the main body 11 is made of resin, the limit oxygen index of the resin is greater than 22%, and the resin has good fireproof performance, so that the main body 11 also has good fireproof and flame-retardant performances, and further, the fireproof and flame-retardant performances of the mask 10 are improved; in addition, compared with the existing metal mask, the mask 10 has the advantages of light overall weight and low cost, and the main body 11 made of resin is fixed on the LED display screen 20, so that the operation is simple and the process difficulty is low.
Alternatively, the first film 12 containing metal may be formed by coating the surface of the main body 11 with metal powder with high thermal conductivity by spraying, ion sputtering, physical vapor deposition, or electroplating.
In this embodiment, as shown in fig. 8, the method for manufacturing the mask 10 further includes, between step S10 and step S20:
s11: the surface of the main body 11 is roughened to obtain a rough surface, and the first film layer 12 is plated on the rough surface.
Specifically, the surface of the main body 11 is roughened to obtain a rough surface with uneven surface, so as to increase the surface roughness of the main body 11 and improve the hydrophilicity of the surface of the main body, thereby improving the bonding force between the first film layer 12 and the main body 11, enabling the connection between the first film layer and the main body to be tighter, and greatly prolonging the service life of the mask 10.
Optionally, the roughening treatment can adopt processes such as sand blasting, shot blasting, grinding, chemical treatment or plasma cleaning, so that the process is simple to operate, convenient and fast to manufacture, time-saving and labor-saving.
In this embodiment, as shown in fig. 8, the method for manufacturing the mask 10 further includes, after step S20:
s21: the surface of the first film layer 12 opposite to the main body 11 is roughened to obtain an uneven surface.
Specifically, the uneven surface is formed by performing mechanical treatment or chemical corrosion on the surface of the first film layer 12, which faces away from the main body 11, such as polishing, shot blasting, sand blasting, and the like, and when light irradiates the uneven surface, the light is reflected back and forth, so that the reflected light on the surface of the mask 10 is reduced, glare is prevented, and the display effect is improved.
In the fifth embodiment of the present application, as shown in fig. 9, it is different from the fourth embodiment in that: the method for manufacturing the mask 10 further includes, after step S21:
s221: the surface of the first film 12 facing away from the body 11 is covered with a layer containing a colorant.
Specifically, a film layer containing pigment is covered on the uneven surface in a spraying, silk-screen printing, dip coating or film coating forming mode; preferably, the pigment is a black pigment, so that the mask 10 is black, glare is prevented, and the display effect of the LED display module 21 is improved.
In the sixth embodiment of the present application, as shown in fig. 10, it is different from the fifth embodiment in that: the method for manufacturing the mask 10 further includes, after step S21:
s222: the surface of the first film 12 facing away from the body 11 is oxidized to obtain a film containing metal oxide.
Specifically, after the surface of the first film layer 12 facing away from the main body 11 is oxidized, a dense metal oxide layer, that is, a film layer containing metal oxide, is obtained, and after the surface of the first film layer 12 is oxidized, on one hand, the gloss of the first film layer 12 can be reduced, the reflection of light can be reduced, and the display effect can be improved, and on the other hand, the effects of corrosion prevention and insulation can be achieved.
Optionally, a dense metal oxide layer is grown on the surface of the first film layer 12 through anodic oxidation or micro-arc oxidation and other processes on the surface of the first film layer 12 opposite to the main body 11, and the manufacturing method is simple.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (3)
1. A mask, comprising:
a body, the material of the body comprising a resin, the resin having a limiting oxygen index of greater than 22%; and
the material of the first film layer comprises a high-thermal-conductivity metal, wherein the resin comprises polytetrafluoroethylene, polybenzimidazole, polyvinyl chloride, polyphenylene sulfide and polyimide with self-extinguishing performance, the content of the resin exceeds 50% of the total mass, and the surface of the main body is a rough surface;
the second film layer covers the surface of the first film layer, which faces away from the main body, and is a film layer containing pigment, and the second film layer comprises 20-30% of resin, 5-10% of black pigment, 20-30% of flame retardant, 10-15% of inorganic filler and 1-5% of film-forming auxiliary agent; or the second film layer is a film layer containing metal oxide;
the LED display module comprises a main body and is characterized in that at least one accommodating part is arranged on the main body, the accommodating part is used for accommodating LED lamp beads on the LED display module, the main body comprises a first side surface and a second side surface which are oppositely arranged, the accommodating part is arranged on the first side surface, a first film layer is coated on the second side surface, and a protrusion is arranged on the second side surface and corresponds to the position between two adjacent columns of accommodating parts;
the surface of the first film layer, which faces away from the main body, is an uneven surface.
2. The mask according to claim 1, wherein: the first film layer is made of one or more of iron, tin, aluminum, lead, copper, zinc, nickel, iron alloy, tin alloy, aluminum alloy, lead alloy, copper alloy, zinc alloy and nickel alloy.
3. A method of making a mask, comprising the steps of:
s10: providing high-thermal-conductivity metal powder and a main body containing resin, wherein the ultimate oxygen index of the resin is more than 22%, the main body is provided with at least one accommodating part, the accommodating part is used for accommodating LED lamp beads on an LED display module, the main body comprises a first side surface and a second side surface which are oppositely arranged, the accommodating part is arranged on the first side surface, a first film layer is coated on the second side surface, a protrusion is arranged on the second side surface and corresponds to the position between two adjacent rows of accommodating parts, the resin comprises polytetrafluoroethylene, polybenzimidazole, polyvinyl chloride, polyphenylene sulfide and polyimide with self-extinguishing performance, the content of the resin exceeds 50% of the total mass, and the surface of the main body is provided with a rough surface;
s20: plating the high-thermal-conductivity metal powder on the surface of the main body to form a first film layer;
covering a film layer containing a pigment on the surface of the first film layer, which is opposite to the main body, wherein the film layer containing the pigment comprises 20-30% of resin, 5-10% of black pigment, 20-30% of flame retardant, 10-15% of inorganic filler and 1-5% of film-forming auxiliary agent;
or, a film layer containing metal oxide is obtained by oxidation treatment on the surface of the first film layer, which is opposite to the main body;
further comprising between the S10 and the S20:
s11: roughening the surface of the main body to obtain a rough surface, wherein the first film layer is plated on the rough surface;
after the S20, further comprising:
s21: the surface of the first film layer, which faces away from the main body, is roughened to obtain a rugged surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010763337.3A CN111933045B (en) | 2020-07-31 | 2020-07-31 | Face mask and manufacturing method thereof |
| PCT/CN2021/078728 WO2022021875A1 (en) | 2020-07-31 | 2021-03-02 | Mask and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010763337.3A CN111933045B (en) | 2020-07-31 | 2020-07-31 | Face mask and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111933045A CN111933045A (en) | 2020-11-13 |
| CN111933045B true CN111933045B (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010763337.3A Active CN111933045B (en) | 2020-07-31 | 2020-07-31 | Face mask and manufacturing method thereof |
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| CN (1) | CN111933045B (en) |
| WO (1) | WO2022021875A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111933045B (en) * | 2020-07-31 | 2022-10-11 | 深圳市艾比森光电股份有限公司 | Face mask and manufacturing method thereof |
| CN114863834A (en) * | 2022-05-27 | 2022-08-05 | 深圳市艾比森光电股份有限公司 | LED display module and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002278481A (en) * | 2001-03-21 | 2002-09-27 | Nippon Signal Co Ltd:The | Led display unit and method for manufacturing the same |
| CN2834896Y (en) * | 2005-10-10 | 2006-11-08 | 周新民 | Decorative frame (A) |
| CN102964792A (en) * | 2012-11-06 | 2013-03-13 | 深圳市奥拓电子股份有限公司 | Modified polycarbonate composition and LED (light-emitting diode) full-color screen module mask prepared therefrom |
| CN103031081A (en) * | 2013-01-22 | 2013-04-10 | 昆山汉品电子有限公司 | Shading thermal diffusion film |
| CN203895067U (en) * | 2014-05-26 | 2014-10-22 | 南京洛普股份有限公司 | Silica gel mask type LED (light emitting diode) display screen module |
| CN109256051A (en) * | 2018-09-20 | 2019-01-22 | 深圳市海讯高科技术有限公司 | A kind of COB display screen and its packaging method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5080117B2 (en) * | 2006-08-04 | 2012-11-21 | ダイセルポリマー株式会社 | Plating resin molding |
| CN206194313U (en) * | 2016-10-27 | 2017-05-24 | 深圳市奥拓电子股份有限公司 | LED display screen face shield and LED display screen |
| CN207282029U (en) * | 2017-06-22 | 2018-04-27 | 格局商学教育科技（深圳）有限公司 | A kind of teaching LED display |
| CN110189647A (en) * | 2019-06-19 | 2019-08-30 | 深圳市科彤科技有限公司 | Display screen and its packaging method based on COB encapsulating structure |
| CN110259041A (en) * | 2019-07-12 | 2019-09-20 | 广州爱奇实业有限公司 | A kind of intelligent floor |
| CN111019294A (en) * | 2019-12-03 | 2020-04-17 | 深圳市艾比森光电股份有限公司 | Halogen-free resin composition, high-flame-retardant printed circuit board and display device |
| CN111933045B (en) * | 2020-07-31 | 2022-10-11 | 深圳市艾比森光电股份有限公司 | Face mask and manufacturing method thereof |
-
2020
- 2020-07-31 CN CN202010763337.3A patent/CN111933045B/en active Active
-
2021
- 2021-03-02 WO PCT/CN2021/078728 patent/WO2022021875A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002278481A (en) * | 2001-03-21 | 2002-09-27 | Nippon Signal Co Ltd:The | Led display unit and method for manufacturing the same |
| CN2834896Y (en) * | 2005-10-10 | 2006-11-08 | 周新民 | Decorative frame (A) |
| CN102964792A (en) * | 2012-11-06 | 2013-03-13 | 深圳市奥拓电子股份有限公司 | Modified polycarbonate composition and LED (light-emitting diode) full-color screen module mask prepared therefrom |
| CN103031081A (en) * | 2013-01-22 | 2013-04-10 | 昆山汉品电子有限公司 | Shading thermal diffusion film |
| CN203895067U (en) * | 2014-05-26 | 2014-10-22 | 南京洛普股份有限公司 | Silica gel mask type LED (light emitting diode) display screen module |
| CN109256051A (en) * | 2018-09-20 | 2019-01-22 | 深圳市海讯高科技术有限公司 | A kind of COB display screen and its packaging method |
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| CN111933045A (en) | 2020-11-13 |
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